pdfbox

问题 When trying to print a PDF page using Java and the org.apache.pdfbox library, I get this error: PDFBOX : U+000A ('controlLF') is not available in this font Helvetica encoding: WinAnsiEncoding 回答1: [PROBLEM] The String you are trying to display contains a newline character. [SOLUTION] Replace the String with a new one and remove the newline: text = text.replace("\n", "").replace("\r", ""); 回答2: The answer selected for this post works, replacing all instances of \n and \r from your string, if

问题 I am using PDF Box version 2.0.9 in my application. I have to parse large pdf files from web. Following is the code I am using MimeDetector Class @Getter @Setter class MimeTypeDetector { private ByteArrayInputStream byteArrayInputStream; private BodyContentHandler bodyContentHandler; private Metadata metadata; private ParseContext parseContext; private Detector detector; private TikaInputStream tikaInputStream; MimeTypeDetector(ByteArrayInputStream byteArrayInputStream) { this

问题 This question already has an answer here : Writing Arabic with PDFBOX with correct characters presentation form without being separated (1 answer) Closed last year . Update 1 I'm trying to write some Arabic characters in a pdf document using pdfbox. As a result I get some strange characters. You can find below the code snippet I used for my test. Notice that the same code was used to print Latin characters without any problem. public static void main(String[] args) throws Exception {

问题 We are using PDFBox to extract text from PDF's. Some PDF's text can't be extract correctly. The following image shows a part from the PDF as image: After text extraction we get the following text: 3, 8 5 EU R 1 Netto 38,50 EUR 4,00 (Spaces are added between ',' and '8') Here is our code: PDDocument pdf = PDDocument.load(reuseableInputStream); PDFTextStripper pdfStripper = new PDFTextStripper(); pdfStripper.setSortByPosition(true); String text = pdfStripper.getText(pdf); We tried to play with

问题 We are using PDFBox to extract text from PDF's. Some PDF's text can't be extract correctly. The following image shows a part from the PDF as image: After text extraction we get the following text: 3, 8 5 EU R 1 Netto 38,50 EUR 4,00 (Spaces are added between ',' and '8') Here is our code: PDDocument pdf = PDDocument.load(reuseableInputStream); PDFTextStripper pdfStripper = new PDFTextStripper(); pdfStripper.setSortByPosition(true); String text = pdfStripper.getText(pdf); We tried to play with

问题 I want to add Time Stamp to my PDF document (without Digital Signature). How can I do this? I can do it with Digital signature using Itext ( I have here TSAClient): MakeSignature.signDetached(appearance, digest, signature, chain, null, null, tsa, 0, subfilter); but how to do similar thing without digital signature? using Bouncy Castle or Itext or Pdfbox... or with another library.. 回答1: In iText you are looking for LtvTimestamp.timestamp(appearance, tsa, signatureName); Also cf. the JavaDoc

问题 I have (same) data saved as a GIF image file and as a PDF file and I want to parse it to HTML or XML. The data is actually the menu for my university's cafeteria. That means that there is a new version of the file that has to be parsed each week! In General, the files contain some header and footer text, as well as a table full of other data in between. I have read some posts on stackoverflow and I also had started some attempts to parse out the table data as HTML/XML: PDF PDFBox || iText

问题 Link to example PDF: click here. Here you can see that many labels in the left are clipped (because of some clipping instructions) When I use PDFTextStripper, it prints all text which is actually cut/hidden in example PDF file. I have already tried solution described here however it makes it even worth because removes much text in the top + some text in the beginning of each row. Is there any other way to show only visible characters, and skip all overlapped, using PDFBox? Or maybe is there

问题 I am using Java PDFBox version 2.0. I want to know how to add a back ground image to the pdf. I can not find any good example in the pdfbox.apache.org 回答1: Do this with each page, i.e. from 0 to doc.getNumberOfPages(): PDPage pdPage = doc.getPage(page); InputStream oldContentStream = pdPage.getContents(); byte[] ba = IOUtils.toByteArray(oldContentStream); oldContentStream.close(); // brings a warning because a content stream already exists PDPageContentStream newContentStream = new

问题 As discussed in this question (Wrap image to Jframe), i need a jframe to match the exact provided image (The image itself is originally a PDF which has been converted to an image) The solution provided does indeed build a jframe to my image dimensions, but i can't actually see all of the image. I need to be able to resize the jframe, with the image dynamically adjusting to the new jframe size. Failing that, i think if i could just scroll the jframe or even zoom in or out, i could at least get